Search a number
-
+
766680460925 = 5230667218437
BaseRepresentation
bin10110010100000011011…
…01110110111001111101
32201021221021112210001212
423022001231312321331
5100030130144222200
61344112543014205
7106251025251461
oct13120155667175
92637837483055
10766680460925
11276169150945
1210470789a365
13573b3c50892
14291710d64a1
1514e23056035
hexb281b76e7d

766680460925 has 6 divisors (see below), whose sum is σ = 950683771578. Its totient is φ = 613344368720.

The previous prime is 766680460913. The next prime is 766680460927. The reversal of 766680460925 is 529064086667.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 56816919769 + 709863541156 = 238363^2 + 842534^2 .

It is not a de Polignac number, because 766680460925 - 232 = 762385493629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766680460927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15333609194 + ... + 15333609243.

It is an arithmetic number, because the mean of its divisors is an integer number (158447295263).

Almost surely, 2766680460925 is an apocalyptic number.

It is an amenable number.

766680460925 is a deficient number, since it is larger than the sum of its proper divisors (184003310653).

766680460925 is a wasteful number, since it uses less digits than its factorization.

766680460925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30667218447 (or 30667218442 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 766680460925 in words is "seven hundred sixty-six billion, six hundred eighty million, four hundred sixty thousand, nine hundred twenty-five".

Divisors: 1 5 25 30667218437 153336092185 766680460925